Stavanger weather in September
September in Stavanger: cool, soaked, with clean air — a great time to visit.
#6 of 12 months in Stavanger · #418 of 604 destinations to visit in September · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Stavanger climate normals — September
| Daytime high | 15°C / 59°F | 🙂 cool |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 174 mm / 6.9 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 7.9 h/day | |
| Daylight | 12.8 h | |
| Wind | 27 km/h / 16 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Stavanger in September — FAQ
- Is September a good time to visit Stavanger?
- September in Stavanger: cool, soaked, with clean air — a great time to visit. It ranks #6 of 12 months for Stavanger on SeasonMap's comfort score (71/100).
- What is the weather like in Stavanger in September?
- In September, Stavanger averages a daily high of 14.9°C and a low of 11.2°C, with about 174.1 mm of rain over roughly 16 rainy days.
- What is the air quality in Stavanger in September?
- Stavanger has a mean US Air Quality Index of about 38 in September.